Garage Door Extension Spring Replacement Size

Two p730 springs one on each side of the door can handle a 90 lbs.

Garage door extension spring replacement size.

Door with an initial tension of 110 lbs. Left wind springs are located on the right hand side of the door and right wind springs are located on the left side. Plug end extension spring is a spring replacement for 1 piece tilt up canopy style garage doors. Starting with our easy to use selection tool you can easily find the garage door extension springs you are looking for the 1st time.

Measure the height of the garage door. Change the fraction into a decimal and divide by 10. Measure 10 coils to the nearest 1 16. In most cases the stretch of the extension spring should be half of the door height.

Plug end extension spring the holmes hally p730 30 in. The holmes hally p730 30 in. 8 doors require a 27 spring that stretches up to 48 75 total length when to door is closed extension springs are a non returnable item call customer service if you have any questions. This is the wire size.

Measure the diameter of 1 16 of an inch. If your garage door is taller than 7 ft please call our helpdesk at 1 800 731 0261 for assistance. Sometimes this number is written on the winding or stationary cone. Most extension springs for 7 foot high doors are 25 inches long with a 42 inch stretch.

For an 8 foot high door the spring would be 28 inches long with a 48 inch stretch. How to weight your garage door. Knowing the spring s length can help you find the wire size on the chart above.